HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-214

DTC Code DTC Name
P3107-214 Lost Communication with Airbag System Control Module

DESCRIPTION


DTC No. INF Code DTC Detection Condition Trouble Area
P3107 214 Open or short to +B in the communication circuit

  • Wire harness or connector

  • Airbag ECU assembly

  • Power management control ECU

WIRING DIAGRAM

Refer to the wiring diagram for DTC P0AE6-225 Click here.

Refer to the wiring diagram for DTC P3107-213 Click here.

CAUTION / NOTICE / HINT

Tech Tips

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


  1. Turn the power switch on (IG) and wait for 15 seconds or more.

PROCEDURE


  1. CHECK DTC OUTPUT (SRS AIRBAG)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      Airbag system DTCs are not output. A
      Airbag system DTCs are output. B

    5. Turn the power switch off.


    B

    GO TO DTC CHART (AIRBAG SYSTEM) Click here

    A

  2. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)


    1. Connect an oscilloscope between the airbag ECU assembly terminals specified in the table below.

    2. Turn the power switch on (READY).

    3. A005CL6E02
      Text in Illustration
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Measure the waveform.

      Item Contents
      Terminal L16-14 (GSW2) - L16-25 (E1)
      Equipment Setting 5V/DIV., 500ms/DIV.
      Condition Power switch on (READY)
      Result
      Result Proceed to
      The waveform appears as shown in the illustration. A
      The waveform differs from the one shown in the illustration. B

    4. Turn the power switch off.


    B

    CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) Click here

    A

  3. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Clear DTCs and freeze frame data.

    5. Turn the power switch off.


    NEXT

  4. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      DTC P3107-214 is not output. A
      DTC P3107-214 is output again. B

    5. Turn the power switch off.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    A

  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

  6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)


    1. Check the connector connections and contact pressure of the relevant terminals for the power management control ECU connectors Click here.

      A005DLOE01
      Text in Illustration
      *A for LHD *B for RHD
      OK
      The connectors are connected securely and there are no contact pressure problems.

    NG

    CONNECT SECURELY

    OK

  7. CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR)


    1. A005EAYE04
      Text in Illustration
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Check the connector connections and contact pressure of the relevant terminals for the airbag ECU assembly connectors.

      OK
      The connectors are connected securely and there are no contact pressure problems.

    NG

    CONNECT SECURELY

    OK

  8. CHECK HARNESS AND CONNECTOR (+B SHORT)


    1. A005CF3E01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse
      *3 IGCT NO. 2 Fuse

      Remove the IGCT NO. 2 fuse and AM2 fuse from the engine room relay block and junction block assembly.

    2. A005DOVE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the L16 airbag ECU assembly connector.

    3. A005AQ3E01
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) - A21-2 (+B2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-5 (+B1) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-1 (AM22) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-7 (AM21) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-6 (MREL) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-1 (IG2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-1 (ACCD) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-2 (IG1D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-2 (IG2D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-14 (SPDI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-16 (GI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-4 (FCTL) Power switch off 10 kΩ or higher

    4. Reconnect the L16 airbag ECU assembly connector.

    5. Install the IGCT NO. 2 fuse and AM2 fuse.


    NG

    CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG ECU ASSEMBLY)


    1. Disconnect the L5 power management control ECU connector.

    2. Disconnect the L16 airbag ECU assembly connector.

    3. A005C4TE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Rear view of wire harness connector

      (to Airbag ECU Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) - L16-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) or L16-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher

      Tech Tips

      As necessary, check that there is no short to power supply wires when performing the above wire harness inspection.

    4. Reconnect the airbag ECU assembly connector.

    5. Reconnect the power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK POWER MANAGEMENT CONTROL ECU


    1. A005DOVE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the L16 airbag ECU assembly connector.

    2. Turn the power switch on (IG).

    3. A005F1TE03
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

      Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) - Body ground Power switch on (IG) 11 to 14 V

      Note

      Turning the power switch on (IG) with the airbag ECU assembly connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    4. Turn the power switch off.

    5. Reconnect the L16 airbag ECU assembly connector.


    OK

    REPLACE AIRBAG ECU ASSEMBLY Click here

    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

  11. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)


    1. A005CF3E02
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse
      *3 IGCT NO. 2 Fuse

      Remove the IGCT NO. 2 fuse and AM2 fuse from the engine room relay block and junction block assembly.

    2. A005DOVE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the L16 airbag ECU assembly connector.

    3. Disconnect the A21, A22, L5 and L6 power management control ECU connectors.

    4. A005F20E01
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) - A21-2 (+B2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-5 (+B1) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-1 (AM22) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-7 (AM21) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-6 (MREL) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-1 (IG2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-1 (ACCD) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-2 (IG1D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A22-2 (IG2D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-14 (SPDI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-16 (GI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-4 (FCTL) Power switch off 10 kΩ or higher

    5. Reconnect the A21, A22, L5 and L6 power management control ECU connectors.

    6. Reconnect the L16 airbag ECU assembly connector.

    7. Install the IGCT NO. 2 fuse and AM2 fuse.


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR